If`(x+7)/3 = 1+(3x-2)/5​` then find the value of x

Find the value of x. 3x-5=7-x

If(x+2)+(1)/(x+2)=5 then find the value of (x+2)^(3)+(1)/((x+2)^(3))

If (5x)/3-4=(2x)/5 then find the numerical value of 2x – 7.

(i) If f(x) = 3x^(4)- 5x^(2) + 7, " find " f(x-1) (ii) If f(x) = x^(2) - 3x + 4 , then find the values of x satisfying f(x) = f(2x+1)

(i) x+2y=-7 and 3x-2y=-1, then find the value of x. (ii) If x+y=8 and 4y-x=2, then find the value of y. (iii) If 3x+5y=9 and 5x+3y=7, then find the value of x+y. (iv) If 3x-y=11 and x-3y=17, then find the value of x-y.

If 3x+5y =9 and 5x+3y=7, then find the value of x+y.

If x = 7.5^(@) then find the value of (cos x - cos 3x)/(sin 3x - sin x)

If x=1+5^((1)/(3))+5^((2)/(3)) then find the value of x^(3)-3x^(2)-12x+6

If x=(2)/(3+sqrt(7)) then find the value of (x-3)^(2)